/Engine/Source/Runtime/SlateCore/Public/Widgets/SWidget.h
TSlateAttribute< FText, InInvalidationReasonValue >
template<typename InObjectType, EInvalidateWidgetReason InInvalidationReasonValue, typename InComparePredicate> struct TSlateAttribute : public [SlateAttributePrivate::TSlateMemberAttribute< InObjectType, std::conditional< InInvalidationReasonValue==EInvalidateWidgetReason::None,::SlateAttributePrivate::FSlateAttributeNoInvalidationReason, TSlateAttributeInvalidationReason< InInvalidationReasonValue > >::type, InComparePredicate >](API\Runtime\SlateCore\Types\Attributes\TSlateMemberAttribute)